EXPLANATION OF PLATE I. 

 South Indian Tadpoles. 



Rana verrucosa, Giinther. 



Fig. 1.— Tadpole, x 2. 

 ^^ la. — ^Mouth-disk of tadpole with mouth open, x 8. 



Rana leptodactyla, Boulenger. 



Fig. 2.— Tadpole, x 2. 

 „ 2a. — Mouth-disk of tadpole with mouth open, x 16. 

 ,, 26. — The same with the mouth closed. 



Rana semipalmata, Boulenger. 



Fig. 3.— Tapdole, x 2. 

 ,, 3a. — Mouth-disk of tadpole with mouth open, x IG. 

 „ 36. — The same with the mouth closed. 



Rana beddomei (Giinther). 



Fig. 4. — Young tadpole, x 4. 

 ,, 4«. — Older tadpole, x 1|. 

 „ 46. — Mouth-disk of tadpole, x 8. 



Nyctibatrachus pygmaeus (Giinther). 



Fig. .5.— Tadpole, x l]. 

 ,, 5a. — Mouth-disk of tadpole, x 8. 



Species incertae sedis. 



Fig. 6. — Tadpole (nat. size). 

 „ 6a —Mouth-disk of tadpole, x 2. 



